388667265 has 24 divisors (see below), whose sum is σ = 723398400. Its totient is φ = 177676128.

The previous prime is 388667261. The next prime is 388667269. The reversal of 388667265 is 562766883.

It is an interprime number because it is at equal distance from previous prime (388667261) and next prime (388667269).

It is not a de Polignac number, because 388667265 - 2² = 388667261 is a prime.

It is not an unprimeable number, because it can be changed into a prime (388667261) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 263665 + ... + 265134.

It is an arithmetic number, because the mean of its divisors is an integer number (30141600).

Almost surely, 2^388667265 is an apocalyptic number.

388667265 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

388667265 is a deficient number, since it is larger than the sum of its proper divisors (334731135).

388667265 is a wasteful number, since it uses less digits than its factorization.

388667265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528821 (or 528814 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 51.

The square root of 388667265 is about 19714.6459516777. The cubic root of 388667265 is about 729.7811722907.

The spelling of 388667265 in words is "three hundred eighty-eight million, six hundred sixty-seven thousand, two hundred sixty-five".